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Finding the Fourth Proportional to 884.90, 1,327.34 and 226.77

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Solution

The fourth proportional to 884.90, 1,327.34 and 226.77 is: 340.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.90 : 1,327.34 = 226.77 : x
  2. Step 2: Convert to fraction form
    884.90/1,327.34 = 226.77/x
  3. Step 3: Cross multiply
    884.90x = 1,327.34 × 226.77
  4. Step 4: Simplify right side
    884.90x = 301,000.32
  5. Step 5: Solve for x
    x = 301,000.32/884.90
  6. Step 6: Final answer
    x = 340.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.